Add NodeAgent and TrafficFlow models to track agent status and network flows, implement /agents/heartbeat endpoint to receive interface counters, conntrack flows, firewall status, and nftables ruleset hash from agents, add nexafabric-agent.py Python script to collect host telemetry including VM/LXC interface hints via tap/fwbr regex matching, conntrack flow parsing with protocol/state/byte counters, and pve-firewall status checks,
Add setup wizard with status tracking via SystemSetting model, implement /setup/status and /setup/complete endpoints to create initial admin user and optional cluster configuration, add workload insights endpoint with traffic analysis and policy matching including audit mode detection, implement enforcement_mode property on Policy model with audit/enforced states, add Modal component for dialogs, create SetupWizard page with multi